Lock collar



FIG. 1 is a perspective view of the lock collar showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view showing a lock collar without the lock ofmy new design; and,

FIG. 9 is a further perspective view showing a lock collar without thelock of my new design.

The broken line illustration of environmental structure in the drawingsform no part of the claimed design.

CLAIM The ornamental design for a lock collar, as shown and described.